The following list is by Robert Provine, author of Laughter: A Scientific Investigation Laughter is an instinctive behavior, produced and recognized by people of all cultures. Most laughter is not about humor; it’s about relationships between people. We are 30 more...

The body of knowledge on laughter—its origin, its psychology, its physiology, its role in society—is extensive. Yet if you boil it down to its essence, what’s most important is recognizing the amazing benefits that laughter provides. Here are just a few: Laughter...